CVE-2026-39808
Fortinet FortiSandbox OS Command Injection Vulnerability
- Published
- Apr 14, 2026
- Updated
- Jul 17, 2026
- Assigning CNA
- fortinet
- Evidence observed
- Jul 16, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via <insert attack vector here>
Sources
5CVE-2026-39808
PoC for Unauthenticated RCE in FortiSandbox via CVE-2026-39808
Unauthenticated RCE scanner for FortiSandbox CVE-2026-39808 with canary-based verification, command execution, and pipeline integration for mass scanning.
- CVE-2026-39808Exploit
Fortinet FortiSandbox 4.4.0-4.4.8 - OS Command Injection via tracer-behavior Endpoint
CVE-2026-39808 - Fortinet Sandbox - Draft
Responsible use
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